Perhaps you should try some spelling variations:
transform tvdft » transform test
gases transfer » mass transfer, based transfer, gas transfer
transform fft » transform cote, transform test, transform _
transfer 3 » transfer _, transfer 4, transfer a
areas co » areas coal, areas act, areas can
co ideas » core ideas, two ideas, box ideas
guias de » guia de, guide de, aguas de
de gases » de bases, _ gases, f gases
3 ao » 3 a, 3 co, 3 do

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( areas co ideas ((transform fft) OR (transform tvdft)) _ ) or ( guias de gases transfer 3 ao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( areas co ideas ((transform fft) OR (transform tvdft)) _ ) OR ( guias de gases transfer 3 ao ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas co ideas ((transform fft) OR (transform tvdft)) _ ) or ( guias de gases transfer 3 ao ))*".